LG LP-10091CL/XL Service Manual Download Page 11 | Manualshive

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4.3 LP-15091CL

• INDOOR UNIT

P/NO: 3854A20026A

NOTE

TD

Ci1,2

FMi1,2

Tmi

THi

Ry4

5 SECOND DELAY TIMER
CAPACITOR(INDOOR)

WIRING DIAGRAM

FMi1

BR

RY3
RY2

RY1

FUSE

(250V/20A)

SUB PCB ASM

YL

BL BK OR

BL BK OR

Ci1

BR

CN1

CN2

CN3

RY4

RD

RD

BL

BL

YL

TD

Tmi

6
5
4
3
2
1

WH
BK

RD

CONNECT TO
OUTDOOR UNIT #1

CONNECT TO
OUTDOOR UNIT #2

CONNECT TO CONTACT
"R","N" OF OUTDOOR #1
TERMINAL BLOCK "A"

WH
BK

3
2
1

DISPLA

Y

PCB ASM

BK

MAIN PCB ASM

BK

YL

Ci2

THI

FMi2

INDOOR FAN MOTOR
TERMINAL BLOCK(INDOOR)

THERMISTOR FOR INDOOR TEMP.
RELAY FOR COMP.

BL
BK
BR
OR
RD

BLUE
BLACK
BROWN
ORANGE
RED

:
:
:
:
:

WH
YL
GN
GN/YL

WHITE
YELLOW
GREEN
GREEN/YELLOW

:
:
:
:

( Caution )

1. Basic wiring is 3ø,4wires,380V.
2. For changing the running voltage to 220V.
please change the wiring by the next steps
1st) Remove the "a" wires from the "N" of
Tmo1(Outdoor unit #1,2),and connect the
wire to the "R" of Tmo1(Outdoor unit #1,2)
2nd) Remove the "b"wire from Tmo1(Outdoor
unit #1,2), and connect the wire to the
"1" of 52C
3rd) Change the compressor
wires like an example.

U

X

Y

V

3ø,4 wires,380V.

Power supply

3ø,220V,60Hz
3ø,380V,60Hz

Current(A)

35

24.2

Time(sec.)

5
5

3ø,3 wires,220V.

W

Z

U

X

Y

V

W

Z

3. For setting the E.O.C.R current

4. Check list before test run
1st) Reconfirm the wiring of compressor
and motor of indoor unit
2nd) Fasten the screw of "Tmo1" one more.

NOTE

CH
CO1,2
F1,2
FMo1,2
51C
Tmi
Tmo1,2
52C
63H
63L

CRANKCASE HEATER
CAPACITOR FOR FAN
FUSE
OUTDOOR FAN MOTOR
E.O.C.R FOR COMPRESSOR
TERMINAL BLOCK(INDOOR)
TERMINAL BLOCK(OUTDOOR)
MAGNATIC CONTACTOR FOR COMP.
HIGH PRESSURE SWITCH
LOW PRESSURE SWITCH

NOTE

BL
BK
BR
OR
GN/YL

:
:
:
:
:

BLUE
BLACK
BROWN
ORANGE
GREEN/YELLOW

RD
WH
YL
GN

:
:
:
:

RED
WHITE
YELLOW
GREEN

FMo1

FMo2

FMo1

FMo2

3ø,4WIRES
380V 60Hz
POWER SUPPLY

Tmo1

OR

YL BR OR BK

YL BR OR BK

RD

RD

BK

WH

WH

F2

F1

BK

1

3

5

31

2

4

6

32 B

A

BK

TO "Tmi 1,2" OF
INDOOR UNIT

RD

WH

BK

BK

BL

RD

RD

WH

BK

COMPRESSOR

L1L2

BK

BK

BK

BK

WH
RD

WH

WH

U

V W

X

Y

Z

Tb Ta

Tc

Co1

OUTDOOR #1

OUTDOOR #2

b

a

Co2

52C

63H

51C

Tmo2

CONNECT TO
INDOOR UNIT

1
2
3
4
5
6

63L

3ø,3WIRES
220V 60Hz
POWER SUPPLY

R S T N

Tmo1

OR

YL BR OR BK

YL BR OR BK

RD

RD

BK

WH

WH

F2

F1

BK

1

3

5

31

2

4

6

32 B

A

BK

RD

WH

BK

BK

BL

RD

RD

WH

BK

COMPRESSOR

L1L2

BK

BK

BK

WH

WH

CH

BK

BK

CH

BK

BK

U

V W

X

Y

Z

Tb Ta

Tc

Co1

b

a

Co2

52C

63H

51C

Tmo2

To"4"of Tmi

(Indoor unit)

1
2
3
4
5
6

63L

R S T N

OUTDOOR ELECTRIC CIRCUIT

P/NO: 3854A20026B

• OUTDOOR UNIT

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Summary of Contents for LP-10091CL/XL

Page 1: ...Package Air Conditioner SERVICE MANUAL MODEL LP 10091CL XL LP 15091CL XL LP 20091CL XL ...

Page 2: ...gerant Cycle Diagram 8 4 Wiring Diagram 9 5 Operation Details 17 6 Installation 20 7 3 Way Valve 33 8 Troubleshooting Guide 40 9 Electronic Control Device 53 10 Schematic Diagram 55 11 Exploded View Replacement Parts List 56 2 CONTENTS ...

Page 3: ...set the main SWITCH to OFF and remove the POWER SUPPLY cables 2 Observe the original lead dress If a short circuit is found replace all parts which have been overheated or dam aged by the short circuit 3 After servicing the unit make an insulation resistance test to protect the customer from being exposed to shock hazards 1 2 Features 1 Design for cooling 2 Super energy efficiency 3 Removable air ...

Page 4: ...91CL LP 15091CL LP 15091XL LP 10091XL LP 20091CL LP 20091XL 3 220 380 60 3 220 380 60 3 220 380 60 100 000 150 000 200 000 20 30 40 13 000 13 000 18 500 18 500 24 500 24 500 20 000 30 000 40 000 35 4 21 35 4 21 53 5 31 53 5 31 71 43 71 43 53 35 78 46 106 61 QR12M2 ES8 QR90K2 ES8 QR12M2 ES8 COPELAND COPELAND COPELAND RECIPRO RECIPRO RECIPRO 115 000 91 100 115 000 12 660 9 59 12 660 213 123 191 110 ...

Page 5: ...dry Auto operation CL series Model Cooling Heater Fan Soft dry Auto operation XL series Model Room temperature sensor Thermistor Pipe temperature sensor Thermistor LP 10091CL XL Maintains the room temperature in accordance with the setting temperature Indoor fan is delayed for 3 seconds at the starting Restarting is inhibited for approx 3 minutes Duct High Low LP 10091CL XL High Low LP 15091CL XL ...

Page 6: ...Unit Outdoor Fan Speed Control One speed Discharge pressure sensor High Pressure Switch Suction pressure sensor Low Pressure Switch Sensing Discharge Pressure For Compressor Sensing Suchion Pressure for Compressor ...

Page 7: ...2 1 LP 10091CL XL 2 2 LP 15091CL XL 2 3 LP 20091CL XL 7 2 DIMENSIONS ...

Page 8: ... CoolingCycle 8 3 REFRIGERANT CYCLE DIAGRAM INDOOR UNIT LIQUID SIDE CAPILLARY TUBE HEAT EXCHANGER ACCUMULATOR MUFFLER COMPRESSOR HEAT EXCHANGER 3 WAY VALVE GAS SIDE 3 WAY VALVE OUTDOOR UNIT ...

Page 9: ...e terminal block A 2nd Remove the b wire from the 2 of 52C and connect the wire to the N of the terminal block A 3rd Change the compressor wires like an example 4rd For setting the E O C R current FIELD WIRING 380V WIRING 220V WIRING TERMINAL BLOCK A 3ø 3W 220V 60Hz POWER SUPPLY 3ø 4W 380V 60Hz POWER SUPPLY Co1 FMo1 FMo2 COMP U Z VW X Y Co2 BK WH BK Tmi Tmo 1 2 3 4 5 6 1 2 3 4 5 6 BK BK RD WH 1 2 ...

Page 10: ...NECT TO CONTACT R N OF OUTDOOR TERMINAL BLOCK Tmo1 1Ø 220V 60Hz NOTE BL BK BR OR BLUE BLAKC BROWN ORANGE RD WH YL GN YL RED WHITE YELLOW GREEN YELLOW BL BK Ci RY3 RY6 BK BK BK MAIN PCB ASM SUB PCB ASM WH BK RD WH BK P No 3854AP2687P 26S1 2 RY6 RY3 BIMETAL SWITCH FOR HEATER RELAY FOR HEATER RELAY FOR COMP ELECTRIC HEATER WIRING DIAGRAM P No 3854AP2687Q 3ø 220V 3ø 380V 3ø 220V 3ø 380V Thermal Fuse 1...

Page 11: ...t A 35 24 2 Time sec 5 5 3ø 3 wires 220V W Z U X Y V W Z 3 For setting the E O C R current 4 Check list before test run 1st Reconfirm the wiring of compressor and motor of indoor unit 2nd Fasten the screw of Tmo1 one more NOTE CH CO1 2 F1 2 FMo1 2 51C Tmi Tmo1 2 52C 63H 63L CRANKCASE HEATER CAPACITOR FOR FAN FUSE OUTDOOR FAN MOTOR E O C R FOR COMPRESSOR TERMINAL BLOCK INDOOR TERMINAL BLOCK OUTDOOR...

Page 12: ...2 and connect the wire to the N of Tmo1 Outdoor unit 1 2 2nd Remove the b wire from 1 of 52C Outdoor unit 1 2 and connect the wire to N of Tmo1 3rd Change the compressor wires like an example U X Y V W Z U X Y V W Z Power supply 3ø 220V 60Hz 3ø 380V 60Hz Current A 35 24 2 Time sec 5 5 3 For setting the E O C R current 4 Check list before test run 1st Reconfirm the wiring of compressor and motor of...

Page 13: ...RMINAL BLOCK Tmo2 CONNECT TO CONTACT R S T OF OUTDOOR 2 TERMINAL BLOCK Tmo1 BROWN VIOLET GREEN ORANGE GREEN YELLOW 3ø 4 wires 380V 3ø 3 wires 220V 1 U 1 U 6 Y 2 V 4 Z 3 W 5 X 2 V 3 W 4 Z 5 X 6 Y 1 2 3 4 1 2 3 4 INDOOR ELECTRIC CIRCUIT CS GN RD BR 23L 23H CN BK WH WH BK BR 2 4 6 A 1 3 5 B VT WH GN WH BL WH YL GN 1 2 3 4 5 6 7 8 9 10 BL BK GY RD GY TD Tmi 52Fi WH WH GY GL1 GL2 BK FMi TH 1 L1 L2 Tb T...

Page 14: ...OR GN YL FIELD WIRING BK BK L1 L2 CT CT Tb Ta Tc BK BK WH BK RD RD BK TO Tmi OF INDOOR UNIT 1 2 3 4 TO Tmi OF INDOOR UNIT 1 5 6 7 4 WH WH RD RD RD RD 3 MIN DELAY P C B YL BL RD BK BK CH CH U COMPRESSOR V W X Y Z WH BK RD WH R S T N RD RD WH BL BL 1st 220V 24V 2nd a b OR Tmo1 CO1 CO2 3ø 3WIRES 220V 60Hz POWER SUPPLY FMo 1 52C 51C 63L 63H Tmo2 1 2 3 4 5 6 7 8 9 10 F2 F1 TRANS FMo 2 3ø 4WIRES 380V 60...

Page 15: ... the motor Indoor unit wires like below 2nd For setting the E O C R current 3rd Change the Electric heater wires like motor 3 The cross sectional area of conductors for power supply electric heater must be over 50mm2 CONNECT TO OUTDOOR 2 TERMINAL BLOCK Tmo2 CONNECT TO OUTDOOR 1 TERMINAL BLOCK Tmo2 CONNECT TO CONTACT R S T OF OUTDOOR 2 TERMINAL BLCOK Tmo1 POWER SUPPLY 3Ø 220V 60Hz 3ø 380V 60Hz R S ...

Page 16: ...V U X Y Z V W 3ø 4 wires 380V 3ø 4 wires 380V NOTE CH CO1 2 CS F1 2 FMi FMo1 2 GL1 GL2 TD TH 51C Tmo1 2 23H L 52C 52Fi 63L CRANKCASE HEATER CAPACITOR FOR FAN MODE SWITCH FUSE INDOOR FAN MOTOR OUTDOOR FAN MOTOR LOW COOL LAMP HIGH COOL LAMP 5 SEC DELAY TIMER E O C R FOR FMi E O C R FOR COMPRESSOR TERMINAL BLOCK OUTDOOR THERMOSTAT MAGNATIC CONTACTOR FOR COMP MAGNATIC CONTACTOR FOR FMi LOW PRESSURE SW...

Page 17: ...otection of fan relay and micro chip 2 Cooling Mode Operation When selecting the Cooling Mode Operation the unit will operate according to the setting by the controller and the operation diagram is as following Intake Air temp Setting Temp 1 C Compressor ON Setting Temp 1 C Compressor OFF Indoor Fan Speed Selecting fan speed Selecting fan speed Selecting fan speed Selecting fan speed Selecting fan...

Page 18: ... time will be displayed 1 00 2 00 3 00 4 00 5 00 6 00 7 00 0 00 Intake Air Temp Indoor Fan Speed LOW Selecting fan speed Selecting fan speed LOW LOW LOW LOW Compressor OFF ON ON ON OFF OFF ON LOW OFF Setting Temp 2 C Compressor ON Setting Temp 1 C Compresso OFF Operation Cooling Cooling operation Dry operation 3 min 3 min 10 min maximum 7 min maximum 10 min 3 Soft Dry Operation Mode During Soft Dr...

Page 19: ...seconds and then operate at the setting speed On heater OFF indoor fan stops after operating at Low speed for 30 seconds Except LP 20091XL 4 On Heater mode changing mode is not adjustable 5 On heater ON pressing Heater ON OFF button or Start Stop button stops the set after indoor fan operates at Low speed for 30 seconds Except LP 20091XL 9 Child Lock function The procedure is as the following 1st ...

Page 20: ...ace where noise prevention is taken into con sideration Do not install the unit near the door way Ensure the spaces indicated by arrows from the wall ceiling fence or other obstacles If an awning is built over the unit to prevent direct sunlight or rain exposure be careful that heat radia tion from the condenser is not restricted There should not be any animals or plants which could be affected by...

Page 21: ...he rubber underneath the outdoor unit 4 Refrigerant amount Before shipment this air conditioner is filled with the rated amount of refrigerant including additional amount required for air purging subject to 5m pip ing length The rated amount of refrigerant is indi cated on the name plate But when the piping length exceeds 5 meters additional charge is required according to the following table Unit...

Page 22: ...8 Check a gas leakage of the connecting part of the pipings 9 Air purging of the piping and indoor unit The air which contains moisture and which remains in the refrigeration cycle may cause a malfunction on the compressor 10 Open the 3 way liquid side and 3 way gas side valves 11 Form the pipings To prevent heat loss and sweat 12 Checking the drainage indoor unit To ensure if water flow drain hos...

Page 23: ...r purge Cleaning the pipe 11 Spanner To tighten the connecting parts of the pipings 12 Monkey spanner 13 Driver 14 Benchi 150mm Cutting the wires 15 Tapeline To measure the length 16 Core drill To make holes through the concrete wall and blocks 17 Voltmeter Amperemeter Clampmeter To measure the current and voltage 18 Insulation resistance tester To measure the insulation resistance 19 Glass thermo...

Page 24: ...ently tighten the flare nut with fingers Finally tighten the flare nut with troque wrench until the wrench clicks When tightening the flare nut with troque wrench ensure the direction for tightening follows the arrow on the wrench 6 3 Piping of Indoor Unit 1 Preparation of piping Cut the pipes and the cable Use the accessory piping kit or the pipes purchased locally Measure the distance between th...

Page 25: ...o prevent the tubing from cracking or crushing Keep in mind that the bending part should not be cracked and make the radius R as long as possi ble Refer to Fig 2 Spring R70mm Fig 1 Fig 2 R 6 4 Connecting Piping to Outdoor Unit 1 Connecting pipings to the outdoor unit Upon connecting 4 way valves please weld connecting pipes using elbows instead of connecting pipes with flare nuts 6 5 Connecting th...

Page 26: ... from vibrations to which the unit is subjected during the course of transportation Check them and make sure that they are all tightly fastened If they are loose it could give rise to burn out of the wires See to it that the starting voltage is maintained at more than 90 percent of the rated voltage marked on the name plate The following troubles would be caused by volt age drop down Vibration of ...

Page 27: ... 27 6 7 Wiring 1 LP 10091XL Wiring of Electric heater 2 LP 15091XL 20091XL Wiring of Control Box 3Ø 220V 3Ø 380V 3Ø 220V 3Ø 380V ...

Page 28: ...8 6 8 Checking the Drainage and Form the Piping 1 Checking the Drainage Remove the inlet grille Check the drainage Pour a glass of water into the drain pan Ensure if water flows drain hose of indoor unit ...

Page 29: ...the exteri or wall and fix it onto the wall by saddle or equiva lent Tape the piping and connecting cable from down to up In order to prevent water from entering the room form a trap and tape the piping Fix the piping onto the wall with saddle or bracket In case of the outdoor unit is installed below position of the indoor unit In case of the outdoor unit is installed upper posi tion of the indoor...

Page 30: ...checkings prepare the running test as follows Connect compound gauges to the check joints at discharge and suction sides of the compres sor Turn all switches OFF Turn the main switch ON Running test should be accomplished as follows Set operation switch at FAN and the fan will start Check to ensure that the fan sounds nor mal Next set it at COOL and the compressor will start Check to ensure that t...

Page 31: ...ion Lamp Timer Operation Lamp Duct Airflow Lamp LP 10091CL XL MODEL ONLY Heating Operation Lamp XL MODEL ONLY Outdoor Unit Operation Lamp Soft Dry Operation Lamp Auto Operation Lamp Operation Mode Selection Button Start Stop Button Operation will start when this button is pressed and stop when the button is pressed again Indoor Fan Speed Selector To select the desired fan speed in two steps Low Hi...

Page 32: ...ing Selection Switch Mode OFF Turns the air conditioner off FAN Permits the fan operation without cooling heating Heating Permits heating LOW COOL Low Cool operation HIGH COOL High Cool operation Temp Turn the temp control to the desired setting The control position is a normal setting for average conditions You can change this setting if necessary in accordance with your temperature preference If...

Page 33: ...h valve cap with valve cap 1 Air purging Open Closed Open Installation counter clockwise clockwise push pin Operation Open Open Closed with valve cap with valve cap 2 Pumping down Open Open Open transferring clockwise counter connected clockwise manifold gauge 3 Evacuation Open Open Open Servicing with charging cylinder 4 Gas charging Open Open Open Servicing with charging cylinder 5 Pressure chec...

Page 34: ...lve to the open posi tion and remove the cap from the 3 way gas side valve s service port Using the hexagonal wrench to press the valve core pin discharge for three seconds and then wait for one minute Repeat this three times Use torque wrench to tighten the service port nut Set the 3 way gas side valve to the back seat Mount the valve stem nuts to the 3 way liquid side valve and 3 way gas side va...

Page 35: ...charge hose Open the low pressure valve on the charge equipment slightly to purge air from the charge hose Set the 3 way liquid side valve to the closed position Operate the air conditioner at the cooling cycle and stop it when the gauge indicates 1 kg cm2g Immediately set the 3 way gas side valve to the closed position Do this quickly so that the gauge ends up indicating 3 to 5kg cm2g Disconnect ...

Page 36: ...rench to tighten the flare nut on liquid side valve Check gas leakage Check the flare connections for gas leakage Discharge the refrigerant Close the valve on the gas cylinder and discharge the refrigerant until the gauge indicates 3 to 5kg cm2g Disconnect the charge set and the gas cylinder and set the 3 way liquid side and 3 way gas side valves to the open position Be sure to use a hexagonal wre...

Page 37: ...e set closed Connect the charge hose with the push pin to the service port Open the valve Lo side on the charge set and discharge the refrigerant until the gauge indicates 0 kg cm2g If there is no air in the refrigerant cycle the pressure when the air conditioner is not running is higher than 1 kg cm2g discharge the refrigerant until the gauge indicates 0 5 to 1 kg cm2g In case of this it will not...

Page 38: ...set Evacuation for approximately one hour Confirm that the gauge needle has moved toward 76cmHg vacuum of 4 mmHg or less Close the valve Lo side on the charge set turn off the vacuum pump and confirm that the gauge needle does not move approximately 5 minutes after turning off the vacuum pump Disconnect the charge hose from the vacuum pump Vacuum pump oil If the vacuum pump oil gets dirty or deple...

Page 39: ... refrigerant If the system can not be charged with the specified amount of refrigerant it can be charged with a little at a time approximately 150g each time while operating the air conditioner in the cooling cycle however one time is not sufficient wait approxi mately 1 minute and then repeat the procedure pumping down pin Immediately disconnect the charge hose from the 3 way gas side valve s ser...

Page 40: ...lacement of unit if the unit is beyond repair Satisfactory operation with temperature difference of inlet outlet air COOLING 7 10 C HEATING 15 17 C Check heat load rise at cooling operation Unexpected residue Added electrical utensil Check inside gas pressure Adjust refrigerant charge Malfunction of compressor Replacement of compressor Check of cold warm air cir culation for smooth flow Dirty indo...

Page 41: ...r Improper electric heater Replacement of electric heater Regular but fails to start Replacement of compressor Electric heater is not energized Loose terminal connection Improper wiring Irregular motor resistance Ω Irregular motor insulation Ω Replacement of compressor Drop of power voltage Capacitor check Replacement Compressor only fails to start Defect of compressor capacitor Check power source...

Page 42: ...re it with a tester in case that the same power source is supplied to other equipment than the unit what and where trouble can be discov ered by checking the operation of other equip ment Measure it with a tester Make short circuit then measure it with a tester Check it with the eyes or tester Check it with the eyes or tester Repair a switch box and is relative instrument Replacement of fuse Reque...

Page 43: ...for compressor motor Compressor motor Compressor High pressure switch Electric circuit Defective contact magnetic coil troubled Troubled over heated layer short Troubled or over heated lock Troubled or defective contact or operating Defective connection or disconnection of the circuit for compressor Check it with the eyes on with a tester Check how it is insulated Groaned noise of motor Check it w...

Page 44: ...an Obstacle Air short circuit 1 Checking Checking In the event that difference between the saturating temperature corresponding to high pressure and the temperature of air discharged from the outdoor coil is more than 15 C incondensable gas may be blended Check it with a pressure gauge Confirm the wind blowing out Check it with eyes Open it properly Wash it by means of something like chemical wash...

Page 45: ... Correct it Correct it Replenish it Repair the leakage spot Correct or clear the foreign bodies Cleaning 8 4 All the functions are performed normally but very noisily and much vibratively WHAT TROUBLED COMPLAINTS HOW TO CHECK REMEDY Compressor Blower Screws Checking Checking Checking Checking Remove the shipping bracket Replace the compressor Repair or replace it Clear the other material Repair Li...

Page 46: ... or excessive air flow through the evaporator coil Refrigerant over charge Faulty discharge valve or suction valve of the compressor Discharge pressure is higher than standard Intake air extremely cold or insufficient air flow through the evaporator coil Refrigerant short charge or leakage Restricted liquid in the suction line 1 Check the operation of the outdoor motor 2 Check discharge and suctio...

Page 47: ...ne and the contactor Check the voltage and phase unbalance Add refrigerant repair leakage if any Check thermistor operation or any other cause for frequent stop and start operation See High Discharge Pressure or High Suction Pressure Check the voltage and phase unbalance Check the power supply line and the contact Check electric resistance among the compressor terminals and from the ter minals to ...

Page 48: ...Pin 1 and Pin 3 of Main P C B Reset the power ON OFF S W ON Is the unit operating Istheinputpower AC220V AC240V atCOMP Magnetic coil Check the magnetic contactor of outdoor unit Is it Cooling mode Room temp Set temp Is the DC5V at 14 pin of MICOM Replacement IC02M RY COMP Replacement MICOM Room temp set temp setting Select the cooling operation mode Check the wiring diagram ...

Page 49: ...V 240V between C and H of SUB P C B Replacement RY1 of SUB PCB Check the motor winding Replacement RY2 of SUB PCB Replacement RY3 of SUB PCB IstheAC220V 240V between C and M of SUBP C B Is the AC220V 240V between C and L of SUB P C B Is the DC12V at each terminal of RY2 of SUB PCB ASM Is the DC12V at each ter minal of RY3 of SUB PCB ASM Is the DC5V at 21 pin of MICOM Is the DC5V at 22 pin of MICOM...

Page 50: ...nding Replacement RY2 of SUB PCB Replacement RY3 of SUB PCB IstheAC220V 240V between C and M of SUBP C B Is the AC220V 240V between C and L of SUB P C B Is the DC12V at each terminal of RY2 of SUB PCB ASM Is the DC12V at each ter minal of RY3 of SUB PCB ASM Is the DC5V at 21 pin of MICOM Is the DC5V at 22 pin of MICOM Replacement IC1 MICOM ON OFF S W ON ...

Page 51: ...at Trans input terminal Is the AC12 18V at Trans 2nd Is the connector of Main Display correct Is the DC5V between PIN64 and PIN 32 of MICOM Replacement Main PCB ASM 1 Replacement ICO3D 2 Replacement Main PCB ASM Check the connector of Main Display Replacement Trans 1 Check the electric connections 2 Check the fuse of Main PCB ASM ...

Page 52: ...eat S W of Main PCB ON Heat S W ON Replacement MICOM Replacement ICO2M Replacement RY Heater Is the DC 5V at 15 pin of MICOM Is the DC 12V at eack terminal RY Heater COIL Isthe AC220V AC240V between connector HEATER andCN outunitPin1 ofMainP C B Check the heater wiring ...

Page 53: ... 53 9 ELECTRONIC CONTROL DEVICE 9 1 MAIN P C B ASSY ...

Page 54: ...42 CN INPUT CN RELAY CN MOTOR1 FUSE 250V T10A RY1 LOW RY2 MIDDLE RY3 HIGH CN MOTOR2 DIP MODEL DISPLAY PCB ASSY LP 10091CL XL LP 15091CL XL 6871AQ3143Q 9 2 Display P C B ASSY 9 3 SUB P C B ASSY NO MODEL SUB PCB ASSY 1 2 LP 10091CL LP 10091XL 6871AQ2242A 6871AQ2242A NO MODEL SUB PCB ASSY 1 2 LP 15091CL LP 15091XL 6871AQ2242B 6871AQ2242B ...

Page 55: ... 55 10 SCHEMATIC DIAGRAM LP 10091CL XL LP 15091CL XL ...

Page 56: ...nit LP 10091CL 10091XL 1 Exploded View 56 11 EXPLODED VIEW REPLACEMENT PARTS LIST 47 4 38 40 46 45 41 42 39 36 34 35 47 1 47 4 47 3 47 44 43 37 48 50 51 32 47 2 49 1 49 31 33 30 23 28 26 27 25 29 24 28 31 1 27 1 36 ...

Page 57: ... 57 22 19 10 4 5 1 12 21 20 15 13 16 2 9 8 7 18 17 6 3 11 14 ...

Page 58: ...arrier blower Control box Barrier blower hole Heater bracket Electric heater Fixing screw 54 Thermal Fuse 3rd Thermal Fuse Type Connected to No 4 No 5 of the control box terminal block Electric heater connector for the control box Manual 2nd Automactic 1st Short 3rd Bimetal Type Bimetal 2nd Bimetal 1st Top cover 2 Exploded View of Electric Heater LP 10091XL ...

Page 59: ...IDE BRACKET 4810AP2648A 4810AP2648A 1 15 EVA ASM 5420AP2380B 5420AP2380B 1 16 TUBE ASS Y 5211AP2678C 5211AP2678C 1 17 TUBE ASS Y 5211AP3959A 5211AP3959A 1 18 CAPILLARY TUBE 3H01372R 3H01372R 15 19 EVA BRACKET 5420AP3302A 5420AP3302A 1 20 DOOR MAGNET ASM 3A02221A 3A02221A 2 21 MOTOR ASM 4681AP2411 4681AP2411 1 22 MOTOR BRACKET 3G00788U 3G00788U 3 23 INLET GRILLE ASM 5237AP2386B 5237AP2386B 1 24 INL...

Page 60: ...940AP3422C 1 44 KNOB 4940A30006A 4940A30006A 1 4940A30006B 4940A30006B 1 4940A30006C 4940A30006C 1 4940A30006D 4940A30006D 1 45 KNOB C C 4940AP3166E 4940AP3166E 1 46 KNOB HEATER 4940AP3326E 1 47 DIFFUSER ASS Y 3023AP2387B 3023AP2387B 1 47 1 DIFFUSER ASS Y 3023AP2641P 3023AP2641P 1 47 2 GRILLE 4A01317Z 4A01317Z 5 47 3 GRILLE ASS Y 3A00752Y 3A00752Y 12 47 4 DECORATION 3508AP3328B 3508AP3328B 2 48 BA...

Page 61: ... 61 11 2 Indoor Unit LP 15091CL 15091XL 1 Exploded View 27 32 35 34 46 48 49 52 1 52 51 50 47 55 54 53 39 28 29 30 30 1 30 2 31 40 44 32 27 34 35 58 41 43 57 43 42 45 56 37 36 59 38 37 36 59 38 ...

Page 62: ... 62 3 13 12 9 11 10 2 8 1 6 5 7 4 16 17 24 25 22 20 14 15 23 21 26 19 ...

Page 63: ...or Electric heater Barrier blower Barrier blower hole Heater bracket Electric heater Fixing screw 62 Thermal fuse 3rd Thermal fuse 3rd Thermal Fuse Type Connected to No 5 No 6 of the control box terminal block Electric heater connector for the control box Manual 2nd Automactic 1st Short 3rd Bimetal Type Bimetal 2nd Bimetal 1st Top cover 2 Exploded View of Electric Heater LP 15091XL ...

Page 64: ...L 4810AP4208P 4810AP4208P 4 16 DOOR MAGNET ASSY 3A02221A 3A02221A 4 18 DRAIN PAN ASSY 3087A20001Q 3087A20001Q 1 19 EVAP COIL ASSY 5421AP2973A 5421AP2973A 1 20 TUBE MAINFOLD OUT ASSY 1 5211AP2852A 5211AP2852A 1 21 TUBE DISCHARGE 1 5211AP7320E 5211AP7320E 1 22 TUBE MAINFOLD OUT ASSY 2 5211AP2853A 5211AP2853A 1 23 TYBE DISCHARGE 2 5211AP7320F 5211AP7320F 1 24 BRACKET EVAP L 4810AP2822A 4810AP2822A 1 ...

Page 65: ...SPLAY 3070AP2292K 3070AP2292K 1 49 WINDOW DISPLAY 3790AP3936Q 3790AP7356C 1 50 KNOB P 4940AP3422C 4940AP3422C 1 51 KNOB 4940A30006A 4940A30006A 1 51 1 KNOB 4940A30006B 4940A30006B 1 51 2 KNOB 4940A30006C 4940A30006C 1 51 3 KNOB 4940A30006D 4940A30006D 1 52 KNOB C C 4940AP3166E 4940AP3166E 1 52 1 KNOB HEATER 4940AP3326E 1 53 CONTROL BOX 4944AP2293A 4944AP2293A 1 54 BOARD CONTROL 3500AP2291A 3500AP2...

Page 66: ... 66 48 50 51 37 27 35 34 32 42 41 36 52 53 55 56 54 46 47 40 38 39 45 46 60 63 61 62 49 57 58 59 44 33 28 29 30 30 1 30 2 31 43 11 3 Indoor Unit LP 20091CL 20091XL 1 Exploded View ...

Page 67: ... 67 3 13 12 9 11 10 2 8 1 6 5 7 4 16 17 24 25 22 20 14 15 23 21 26 19 ...

Page 68: ...lower hole Heater bracket Electric heater Fixing screw Thermal fuse 3rd Thermal Fuse Type Connected to No 1 No 3 of the control box terminal block Electric heater connector for the control box Manual 2nd Automactic 1st Short 3rd Bimetal Type Bimetal 2nd Bimetal 1st Top cover 2 Exploded View of Electric Heater LP 20091XL ...

Page 69: ...08P 4810AP4208P 4 16 DOOR MAGNET ASSY 3A02221A 3A02221A 4 17 DRAIN PAN ASSY 3087A20001Q 3087A20001Q 1 19 EVAP COIL ASSY 5421AP2973A 5421AP2973A 1 20 TUBE ASSY MAINFOLD OUT 1 5211AP2852C 5211AP2852C 1 21 TUBE ASSY DISCHARGE 1 5211AP7320E 5211AP7320E 1 22 TUBE ASSY MAINFOLD OUT 2 5211AP2853C 5211AP2853C 1 23 TUBE ASSY DISCHARGE 2 5211AP7320F 5211AP7320F 1 24 BRACKET EVAP L 4810AP2822A 4810AP2822A 1 ...

Page 70: ...7 DECO LOWER 3A02136B 3A02136B 1 48 PANEL FRONT 3A02137Q 3A02137Q 1 49 PANEL DOOR 3A01941B 3A01941B 1 50 ESCUTCHEON 3A01987S 3A01987T 1 51 KNOB ASSY 4H01519A 4H01519A 2 52 PANEL CONTROL 2A00933B 2A00933B 1 53 BRACKET CONTROL 4A01575A 4A01575A 1 54 LAMP NEON ASSY 3G00027D 3G00027G 2 55 ROTARY S W 2A00237A 2A00237A 1 56 THERMOSTAT 3A00963A 3A00963A 1 57 COVER CONTROL 3A01939A 3A01939A 1 58 COVER C B...

Page 71: ...1 4 Outdoor Unit LP 10091CL 10091XL 1 Exploded View 71 11 18 12 4 12 3 22 34 2 39 25 17 12 1 12 11 4 4 19 21 34 1 23 38 15 36 37 35 24 33 29 30 31 32 26 3 16 2 12 6 12 2 1 9 7 5 10 8 20 13 14 12 5 27 28 ...

Page 72: ...B 4995AP2608B 1 12 1 CASE CONTROL 3110AP2592A 3110AP2592A 1 12 2 BOARD CONTROL 3500AP2591A 3500AP2591A 1 12 3 MAGNETIC CONTACTOR 2A01031D 2A01031D 1 12 4 PROTECTION RELAY 2A00999N 2A00999N 1 12 5 TERMINAL BLOCK 3A00493A 3A00493A 1 12 6 SH CAPACITOR 2H00841J 2H00841J 2 13 RUBBER MOUNTING 5040AP4241A 5040AP4241A 4 14 RUBBER RING 5040AP4242A 5040AP4242A 4 15 BUSHING 4830AP4182A 4830AP4182A 1 16 SUPPO...

Page 73: ...2 32 HEXAGON NUTS 1NHA1001206 1NHA1001206 2 33 GRILLE COVER 2A00144P 2A00144P 2 34 1 PANEL ASSY FRONT 3721AP2913P 3721AP2913P 1 34 2 PANEL ASSY FRONT 3721AP2913Q 3721AP2913Q 1 35 COVER ASSY CONTROL 3551AP7047Z 3551AP7047Z 1 36 PANEL INSTALL U 3720AP3810P 3720AP3810P 1 37 BRACKET INSTALL L 4810AP3814P 4810AP3814P 1 38 BRACKET F P 4810AP7078A 4810AP7078A 1 39 COVER FAN 3550AP3912A 3550AP3912A 1 73 N...

Page 74: ... 74 11 5 Outdoor Unit LP 15091CL 15091XL 1 Exploded View 18 17 2 12 19 13 8 4 9 3 1 3 29 11 28 27 20 23 10 22 24 14 21 10 16 15 25 26 11 25 1 24 1 ...

Page 75: ...A 2A01159A 1 13 1 CONDENSER ASSY 2A01159C 2A01159C 1 14 FRONT PANEL W ASSY 3A02389P 3A02389P 1 15 SERVICE VALVE 2A00468B 2A00468B 1 16 SERVICE VALVE 2A00469C 2A00469C 1 17 HIGH PRE S W 6600AG3057A 6600AG3057A 1 18 LOW PRE S W 3A02414B 3A02414B 1 19 REAR PANEL 3A02355P 3A02355P 1 20 MOUNT MOTOR 3A01717A 3A01717A 2 21 SIDE PANEL L 3A02350P 3A02350P 1 22 SIDE PANEL R 3A02350Q 3A02350Q 1 23 MOTOR ASSY...

Page 76: ...11 6 Outdoor Unit LP 20091CL 20091XL 1 Exploded View 76 ...

Page 77: ...P2591A 3500AP2591A 2 12 3 MAGNETIC CONTACTOR 2A01031C 2A01031C 2 12 4 PROTECTION RELAY 2A00999H 2A00999N 2 12 5 TERMINAL BLOCK 3A00493D 3A00493D 2 12 6 SH CAPACITOR 2H00841J 2H00841J 4 12 7 TIMER ASSY 3Q01017A 3Q01017A 2 12 8 TRANSFORMER 3A01073C 3A01073C 2 12 9 TERMINAL BLOCK 3A00093A 3A00093A 2 13 RUBBER MOUNTING 5040AP4241A 5040AP4241A 8 14 RUBBER RING 5040AP4242A 5040AP4242A 8 15 BUSHING 4830A...

Page 78: ... 2A00144P 4 34 1 PANEL ASSY FRONT 3721AP2913P 3721AP2913P 2 34 2 PANEL ASSY FRONT 3721AP2913Q 3721AP2913Q 2 35 COVER ASSY CONTROL 3551AP7047Z 3551AP7047Z 2 36 PANEL INSTALL U 3720AP3810P 3720AP3810P 2 37 BRACKET INSTALL L 4810AP3814P 4810AP3814P 2 39 BRACKET F P 4810AP7078A 4810AP7078A 2 40 COVER FAN 3550AP3912A 3550AP3912A 2 42 LOW PRESSURE S W 3A02414B 3A02414B 2 43 HIGH PRESSURE S W 6600AG3057A...

Page 79: ...P No 3828A20023A May 2000 Printed in Korea ...

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